CM1003使用I2C/UART实现ISP
/*---------------------------------------------------------------------------------------------------------*/
/* */
/* SPDX-License-Identifier: Apache-2.0 */
/* Copyright(c) 2024 Nuvoton Technology Corp. All rights reserved. */
/* */
/*---------------------------------------------------------------------------------------------------------*/
#include "numicro_8051.h"
#include "isp_uart0.h"
#if defined __C51__
xdata uint16_t start_address,u16_addr;
#elif defined __ICC8051__
__xdata uint16_t start_address,u16_addr;
#elif defined __SDCC__
__xdata uint16_t start_address,u16_addr;
#endif
uint8_tvo8temp;
uint16_t vo16temp;
uint32_t vo32temp;
/****************************************
* @brief UART interrupt subroutine.
* @param None.
* @return None.
****************************************/
#if defined __C51__
void Serial_ISR(void) interrupt 4
#elif defined __ICC8051__
#pragma vector=0x23
__interrupt void UART0_ISR(void)
#elif defined __SDCC__
void Serial_ISR(void) __interrupt (4)
#endif
{
uint8_tvotemp;
if (RI == 1)
{
votemp = SBUF;
uart_rcvbuf =votemp;
clr_SCON_RI; // Clear RI (Receive Interrupt).
}
if (TI == 1)
{
clr_SCON_TI; // Clear TI (Transmit Interrupt).
}
if (bufhead == 1)
{
g_timer1Over = 0;
g_timer1Counter = 90; //for check uart timeout using
}
if (bufhead == 64)
{
bUartDataReady = TRUE;
g_timer1Counter = 0;
g_timer1Over = 0;
bufhead = 0;
}
}
/****************************************
* @brief Timer0 interrupt subroutine.
* @param None.
* @return None.
****************************************/
#if defined __C51__
void Timer0_ISR(void) interrupt 1
#elif defined __ICC8051__
#pragma vector=0x0B
__interrupt void Timer0_ISR(void)
#elif defined __SDCC__
void Timer0_ISR(void) __interrupt (1)
#endif
{
if (g_timer0Counter)
{
g_timer0Counter--;
if (!g_timer0Counter)
{
g_timer0Over = 1;
}
}
if (g_timer1Counter)
{
g_timer1Counter--;
if (!g_timer1Counter)
{
g_timer1Over = 1;
}
}
}
/******************************
* @brief Main loop.
* @param None.
* @return None.
******************************/
void main (void)
{
set_CHPCON_IAPEN;
MODIFY_HIRC_24();
#ifdefisp_with_wdt
TA=0x55;TA=0xAA;WDCON=0x07;
#endif
//uart initial for ISP programmer GUI, always use 115200 baudrate
UART0_ini_115200_24MHz();
TM0_ini();
g_timer0Over=0;
g_timer0Counter=Timer0Out_Counter;
g_programflag=0;
while(1)
{
if(bUartDataReady == TRUE)
{
EA=0; //DISABLE ALL INTERRUPT
if(g_programflag==1)
{
for(count=8;count<64;count++)
{
IAPCN = BYTE_PROGRAM_AP; //program byte
IAPAL = flash_address&0xff;
IAPAH = (flash_address>>8)&0xff;
IAPFD=uart_rcvbuf;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
IAPCN = BYTE_READ_AP; //program byte verify
vo8temp = uart_rcvbuf;
if(IAPFD!=vo8temp)
while(1);
if (CHPCON==0x43) //if error flag set, program error stop ISP
while(1);
g_totalchecksum += vo8temp;
flash_address++;
vo16temp = AP_size;
if(flash_address==vo16temp)
{
g_programflag=0;
g_timer0Over =1;
goto END_2;
}
}
END_2:
Package_checksum();
uart_txbuf=g_totalchecksum&0xff;
uart_txbuf=(g_totalchecksum>>8)&0xff;
Send_64byte_To_UART0();
}
switch(uart_rcvbuf)
{
case CMD_CONNECT:
case CMD_SYNC_PACKNO:
{
Package_checksum();
Send_64byte_To_UART0();
g_timer0Counter=0; //clear timer 0 for no reset
g_timer0Over=0;
break;
}
case CMD_GET_FWVER:
{
Package_checksum();
uart_txbuf=FW_VERSION;
Send_64byte_To_UART0();
break;
}
case CMD_RUN_APROM:
{
goto _APROM;
break;
}
//please for ISP programmer GUI, ID always use following rule to transmit.
case CMD_GET_DEVICEID:
{
READ_ID();
Package_checksum();
uart_txbuf=DID_lowB;
uart_txbuf=DID_highB;
uart_txbuf=PID_lowB;
uart_txbuf=PID_highB;
Send_64byte_To_UART0();
break;
}
case CMD_ERASE_ALL:
{
set_IAPUEN_APUEN;
IAPFD = 0xFF; //Erase must set IAPFD = 0xFF
IAPCN = PAGE_ERASE_AP;
for(flash_address=0x0000;flash_address<APROM_SIZE/PAGE_SIZE;flash_address++)
{
IAPAL = LOBYTE(flash_address*PAGE_SIZE);
IAPAH = HIBYTE(flash_address*PAGE_SIZE);
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
}
Package_checksum();
Send_64byte_To_UART0();
break;
}
case CMD_READ_CONFIG:
{
READ_CONFIG();
Package_checksum();
uart_txbuf=CONF0;
uart_txbuf=CONF1;
uart_txbuf=CONF2;
uart_txbuf=0xff;
uart_txbuf=CONF4;
uart_txbuf=0xff;
uart_txbuf=0xff;
uart_txbuf=0xff;
Send_64byte_To_UART0();
break;
}
case CMD_UPDATE_CONFIG:
{
recv_CONF0 = uart_rcvbuf;
recv_CONF1 = uart_rcvbuf;
recv_CONF2 = uart_rcvbuf;
recv_CONF4 = uart_rcvbuf;
set_IAPUEN_CFUEN; /*Erase CONFIG */
IAPCN = PAGE_ERASE_CONFIG;
IAPAL = 0x00;
IAPAH = 0x00;
IAPFD = 0xFF;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
IAPCN = BYTE_PROGRAM_CONFIG; /*Program CONFIG*/
IAPFD = recv_CONF0;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
IAPFD = recv_CONF1;
IAPAL = 0x01;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
IAPAL = 0x02;
IAPFD = recv_CONF2;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
IAPAL = 0x04;
IAPFD = recv_CONF4;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
clr_IAPUEN_CFUEN;
READ_CONFIG(); /*Read new CONFIG*/
Package_checksum();
uart_txbuf=CONF0;
uart_txbuf=CONF1;
uart_txbuf=CONF2;
uart_txbuf=0xff;
uart_txbuf=CONF4;
uart_txbuf=0xff;
uart_txbuf=0xff;
uart_txbuf=0xff;
Send_64byte_To_UART0();
break;
}
case CMD_UPDATE_APROM:
{
set_IAPUEN_APUEN;
IAPFD = 0xFF; //Erase must set IAPFD = 0xFF
IAPCN = PAGE_ERASE_AP;
start_address = 0;
start_address = uart_rcvbuf;
start_address |= ((uart_rcvbuf<<8)&0xFF00);
AP_size = 0;
AP_size = uart_rcvbuf;
vo8temp = uart_rcvbuf;
AP_size |= ((vo8temp<<8)&0xFF00);
u16_addr = start_address + AP_size;
flash_address = (start_address&0xFF00);
while(flash_address< u16_addr)
{
IAPAL = LOBYTE(flash_address);
IAPAH = HIBYTE(flash_address);
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
flash_address += PAGE_SIZE;
}
g_totalchecksum = 0;
flash_address = start_address;
g_programflag = 1;
for(count=16;count<64;count++)
{
IAPCN = BYTE_PROGRAM_AP;
IAPAL = flash_address&0xff;
IAPAH = (flash_address>>8)&0xff;
IAPFD = uart_rcvbuf;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
IAPCN = BYTE_READ_AP; //program byte verify
trig_IAPGO;
vo8temp = uart_rcvbuf;
if(IAPFD!=vo8temp)
while(1);
if (CHPCON==0x43) //if error flag set, program error stop ISP
while(1);
g_totalchecksum += vo8temp;
flash_address++;
vo16temp = AP_size;
if(flash_address==vo16temp)
{
g_programflag=0;
goto END_1;
}
}
END_1:
Package_checksum();
uart_txbuf=g_totalchecksum&0xff;
uart_txbuf=(g_totalchecksum>>8)&0xff;
Send_64byte_To_UART0();
break;
}
}
bUartDataReady = FALSE;
bufhead = 0;
EA=1;
}
/*For connect timer out */
if(g_timer0Over==1)
{
CALL_NOP;
goto _APROM;
}
/*for uart time out or buffer error*/
if(g_timer1Over==1)
{
if((bufhead<64)&&(bufhead>0)||(bufhead>64))
{
bufhead=0;
}
}
}
_APROM:
MODIFY_HIRC_16();
clr_CHPCON_IAPEN;
TA = 0xAA; TA = 0x55; CHPCON = 0x80; //software reset enable boot from APROM
/* Trap the CPU */
while(1);
}
/*---------------------------------------------------------------------------------------------------------*/
/* */
/* SPDX-License-Identifier: Apache-2.0 */
/* Copyright(c) 2024 Nuvoton Technology Corp. All rights reserved. */
/* */
/*---------------------------------------------------------------------------------------------------------*/
#include "numicro_8051.h"
#include "isp_i2c.h"
//#define isp_with_wdt /* if enable WDT function. Uncomment this line*/
/******************************
* @brief Main loop.
* @param None.
* @return None.
******************************/
void main (void)
{
uint8_t vo8temp;
uint16_tvo16temp;
bI2CDataReady=0;
set_CHPCON_IAPEN;
Init_I2C();
TM0_ini();
g_timer0Over=0;
g_timer0Counter=5000;
g_progarmflag=0;
while(1)
{
//if(bUartDataReady == TRUE)
if(bI2CDataReady == TRUE)
{
EA=0; /* Disable all interrupt */
if(g_progarmflag==1)
{
for(count=8;count<64;count++)
{
IAPCN = BYTE_PROGRAM_AP; //program byte
IAPAL = flash_address&0xff;
IAPAH = (flash_address>>8)&0xff;
IAPFD=rx_buf;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
IAPCN = BYTE_READ_AP; //program byte verify
set_IAPTRG_IAPGO;
vo8temp = rx_buf;
if(IAPFD!=vo8temp)
while(1);
if (CHPCON==0x43) //if error flag set, program error stop ISP
while(1);
g_totalchecksum += vo8temp;
flash_address++;
vo16temp = AP_size;
if(flash_address==vo16temp)
{
g_progarmflag=0;
g_timer0Over =1;
goto END_2;
}
}
END_2:
Package_checksum();
tx_buf=g_totalchecksum&0xff;
tx_buf=(g_totalchecksum>>8)&0xff;
bISPDataReady = 1;
}
switch(rx_buf)
{
case CMD_CONNECT:
case CMD_SYNC_PACKNO:
{
Package_checksum();
bISPDataReady = 1;
g_timer0Counter=0; //clear timer 0 for no reset
g_timer0Over=0;
break;
}
case CMD_GET_FWVER:
{
Package_checksum();
tx_buf=FW_VERSION;
bISPDataReady = 1;
break;
}
case CMD_RUN_APROM:
{
goto _APROM;
break;
}
//please for ISP programmer GUI, ID always use following rule to transmit.
case CMD_GET_DEVICEID:
{
READ_ID();
Package_checksum();
tx_buf=DID_lowB;
tx_buf=DID_highB;
tx_buf=PID_lowB;
tx_buf=PID_highB;
bISPDataReady = 1;
break;
}
case CMD_ERASE_ALL:
{
set_CHPCON_IAPEN;
set_IAPUEN_APUEN;
IAPFD = 0xFF; //Erase must set IAPFD = 0xFF
IAPCN = PAGE_ERASE_AP;
for(flash_address=0x0000;flash_address<APROM_SIZE/PAGE_SIZE;flash_address++)
{
IAPAL = LOBYTE(flash_address*PAGE_SIZE);
IAPAH = HIBYTE(flash_address*PAGE_SIZE);
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
}
Package_checksum();
bISPDataReady = 1;
break;
}
case CMD_READ_CONFIG:
{
READ_CONFIG();
Package_checksum();
tx_buf=CONF0;
tx_buf=CONF1;
tx_buf=CONF2;
tx_buf=0xff;
tx_buf=CONF4;
tx_buf=0xff;
tx_buf=0xff;
tx_buf=0xff;
bISPDataReady = 1;
break;
}
case CMD_UPDATE_CONFIG:
{
recv_CONF0 = rx_buf;
recv_CONF1 = rx_buf;
recv_CONF2 = rx_buf;
recv_CONF4 = rx_buf;
/*Erase CONFIG */
set_CHPCON_IAPEN;
set_IAPUEN_CFUEN;
IAPCN = PAGE_ERASE_CONFIG;
IAPAL = 0x00;
IAPAH = 0x00;
IAPFD = 0xFF;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
/*Program CONFIG*/
IAPCN = BYTE_PROGRAM_CONFIG;
IAPFD = recv_CONF0;
set_IAPTRG_IAPGO;
IAPFD = recv_CONF1;
IAPAL = 0x01;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
IAPAL = 0x02;
IAPFD = recv_CONF2;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
IAPAL = 0x04;
IAPFD = recv_CONF4;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
clr_IAPUEN_CFUEN;
/*Read new CONFIG*/
READ_CONFIG();
Package_checksum();
tx_buf=CONF0;
tx_buf=CONF1;
tx_buf=CONF2;
tx_buf=0xff;
tx_buf=CONF4;
tx_buf=0xff;
tx_buf=0xff;
tx_buf=0xff;
bISPDataReady = 1;
break;
}
case CMD_UPDATE_APROM:
{
set_CHPCON_IAPEN;
set_IAPUEN_APUEN;
IAPFD = 0xFF; //Erase must set IAPFD = 0xFF
IAPCN = PAGE_ERASE_AP;
for(flash_address=0x0000;flash_address<APROM_SIZE/PAGE_SIZE;flash_address++)
{
IAPAL = LOBYTE(flash_address*PAGE_SIZE);
IAPAH = HIBYTE(flash_address*PAGE_SIZE);
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
}
g_totalchecksum=0;
flash_address=0;
AP_size=0;
AP_size=rx_buf;
vo8temp=rx_buf;
AP_size|=(vo8temp<<8);
g_progarmflag=1;
for(count=16;count<64;count++)
{
IAPCN = BYTE_PROGRAM_AP;
IAPAL = flash_address&0xff;
IAPAH = (flash_address>>8)&0xff;
IAPFD=rx_buf;
clr_CHPCON_IAPFF;
#ifdef isp_with_wdt
set_IAPTRG_IAPGO_WDCLR;
#else
trig_IAPGO;
#endif
IAPCN = BYTE_READ_AP; //program byte verify
set_IAPTRG_IAPGO;
vo8temp = rx_buf;
if(IAPFD!=vo8temp)
while(1);
if (CHPCON==0x43) //if error flag set, program error stop ISP
while(1);
g_totalchecksum+=vo8temp;
flash_address++;
vo16temp = AP_size;
if(flash_address==vo16temp)
{
g_progarmflag=0;
goto END_1;
}
}
END_1:
Package_checksum();
tx_buf=g_totalchecksum&0xff;
tx_buf=(g_totalchecksum>>8)&0xff;
bISPDataReady = 1;
break;
}
}
bI2CDataReady = FALSE;
EA=1;
}
//For connect timer out
if(g_timer0Over==1)
{
goto _APROM;
}
}
_APROM:
EA = 0;
clr_CHPCON_IAPEN;
TA = 0xAA;
TA = 0x55;
CHPCON = 0x00; //set boot from AP
TA = 0xAA;
TA = 0x55;
CHPCON = 0x80; //software reset enable
/* Trap the CPU */
while(1);
}
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感谢分享ISP的实现方法，我正需要这个资料来完成我的项目。请问这个文件包含具体的实现步骤和代码吗？
这个ISP.rar文件包含了CM1003使用I2C/UART实现ISP的相关资料，有需要的朋友可以下载查看。
这个文件看起来包含了具体的实现方法和代码，对于需要通过I2C/UART实现ISP的朋友来说非常有用。
感谢分享！请问这个ISP.rar文件包含了哪些具体内容？是代码示例还是配置文件？
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